block	treatment	position	number	biomass
1	s+	a	1	7.5
1	s+	u	1	5.6
1	s+	a	2	4.3
1	s+	u	2	7.2
1	s+	a	3	7.3
1	s+	u	3	5.3
1	s-	a	1	7
1	s-	u	1	9.1
1	s-	a	2	5.2
1	s-	u	2	6.1
1	s-	a	3	8.4
1	s-	u	3	5.5
2	s+	a	1	4.2
2	s+	u	1	2.9
2	s+	a	2	2.7
2	s+	u	2	1.5
2	s+	a	3	2.9
2	s+	u	3	4.7
2	s-	a	1	8.3
2	s-	u	1	7.3
2	s-	a	2	4.1
2	s-	u	2	4.1
2	s-	a	3	2.9
2	s-	u	3	3
3	s+	a	1	4.8
3	s+	u	1	3.6
3	s+	a	2	6
3	s+	u	2	3.5
3	s+	a	3	3.9
3	s+	u	3	3.6
3	s-	a	1	6.1
3	s-	u	1	7.3
3	s-	a	2	8.7
3	s-	u	2	6.2
3	s-	a	3	7.6
3	s-	u	3	8
4	s+	a	1	8
4	s+	u	1	7.2
4	s+	a	2	10.3
4	s+	u	2	11.3
4	s+	a	3	5.3
4	s+	u	3	7.4
4	s-	a	1	5.1
4	s-	u	1	5.8
4	s-	a	2	6.1
4	s-	u	2	5.9
4	s-	a	3	8.3
4	s-	u	3	6.9