Learned by Reading
In Wikipedia:
When boron in the soil exceeds 2.0ppm, few plants will perform well.
(Parse)
(S1 (S (SBAR (WHADVP (WRB When))
(S (NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil))))
(VP (VBZ exceeds)
(NP (CD 2.0ppm)))))
(, ,)
(NP (JJ few) (NNS plants))
(VP (MD will)
(VP (VB perform) (ADVP (RB well))))
(. .)))
In Wikipedia:
Levels as low as 0.8ppm can cause these same symptoms to appear in plants particularly sensitive to boron in the soil.
(Parse)
(S1 (S (NP (NP (NNS Levels))
(ADJP (ADJP (RB as) (JJ low))
(PP (IN as)
(NP (NN 0.8ppm)))))
(VP (MD can)
(VP (VB cause)
(S (NP (DT these) (JJ same) (NNS symptoms))
(VP (TO to)
(VP (VB appear)
(PP (IN in)
(NP (NP (NNS plants))
(ADJP (RB particularly) (JJ sensitive)
(PP (TO to)
(NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil))))
(. .)))
In Wikipedia:
While too much boron is toxic, a complete lack of boron in the soil can cause a crop failure.
(Parse)
(S1 (S (SBAR (IN While)
(S (NP (ADJP (RB too) (JJ much)) (NN boron))
(VP (AUX is)
(ADJP (JJ toxic)))))
(, ,)
(NP (NP (DT a) (JJ complete) (NN lack))
(PP (IN of)
(NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil)))
(VP (MD can)
(VP (VB cause)
(NP (DT a) (NN crop) (NN failure))))
(. .)))
In Wikipedia:
Plants sensitive to boron in the soil may not survive.
(Parse)
(S1 (S (NP (NP (NNS Plants))
(ADJP (JJ sensitive)
(PP (TO to)
(NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil))))
(VP (MD may) (RB not)
(VP (VB survive)))
(. .)))
In Wikipedia:
Nearly all plants, even those somewhat tolerant of boron in the soil, will show at least some symptoms of boron toxicity when boron in the soil is greater than 1.8ppm.
(Parse)
(S1 (S (NP (NP (QP (RB Nearly) (PDT all)) (NNS plants)) (, ,)
(NP (NP (RB even) (DT those))
(ADJP (RB somewhat) (JJ tolerant)
(PP (IN of)
(NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil))))
(, ,))
(VP (MD will)
(VP (VB show)
(NP (NP (ADVP (IN at) (JJS least)) (DT some) (NNS symptoms))
(PP (IN of)
(NP (NN boron) (NN toxicity))))
(SBAR (WHADVP (WRB when))
(S (NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil))))
(VP (AUX is)
(ADJP (ADJP (JJR greater))
(PP (IN than)
(ADJP (JJ 1.8ppm)))
(. .)))
In Wikipedia:
Most plants, even those tolerant of boron in the soil, will show symptoms of boron toxicity when boron levels are higher than 1.8 ppm.
(Parse)
(S1 (S (NP (NP (JJS Most) (NNS plants)) (, ,) (RB even)
(NP (NP (DT those) (NN tolerant))
(PP (IN of)
(NP (NP (NN boron))
(PP (IN in)
(NP (DT the) (NN soil)))
(, ,))
(VP (MD will)
(VP (VB show)
(NP (NP (NNS symptoms))
(PP (IN of)
(NP (NN boron) (NN toxicity))))
(SBAR (WHADVP (WRB when))
(S (NP (NN boron) (NNS levels))
(VP (AUX are)
(ADJP (ADJP (JJR higher))
(PP (IN than)
(NP (QP (CD 1.8) (CD ppm))))
(. .)))